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Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver

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On Mon, Aug 10, 2015 at 05:49:41PM +0100, Russell King - ARM Linux wrote:

> I'm not sure what the right solution is here: modifying every audio
> player out there to make HDMI work sanely is crazy.  Having alsalib
> automatically generate the correct AES channel status bytes for
> linear audio formats seems to be sensible, but difficult given its
> present structure with the defaults - the iec958 plugin has no idea
> if the defaults are being used or not.

> The advantage of having the horrid conversion in the kernel is that
> we can choose to generate proper AES channel status data without
> regard to userspace for standard linear PCM, and when the iec958 plugin
> is being used with proper channel status (eg, in compressed audio
> pass-through mode by VLC) then that works too.

The other advantage of doing it in kernel is that it also fixes tinyalsa
applications (which mainly means Android systems) by default for PCM
data.

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[PATCH 00/12] dw-hdmi development Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 05/12] drm: bridge/dw_hdmi: add support for interlaced video  modes Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 12/12] drm: bridge/dw_hdmi: improve HDMI enable/disable  handling Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  Re: [PATCH 0/9] dw-hdmi audio support Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-08 18:10 +0200
    [PATCH 2/9] drm: bridge/dw_hdmi-ahb-audio: parse ELD from HDMI driver Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 6/9] drm: bridge/dw_hdmi: adjust pixel clock values in N  calculation Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 5/9] drm: bridge/dw_hdmi: avoid being recursive in N  calculation Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 4/9] drm: bridge/dw_hdmi-ahb-audio: allow larger buffer sizes Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 8/9] drm: bridge/dw_hdmi: replace CTS calculation for the ACR Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 7/9] drm: bridge/dw_hdmi: remove ratio support from ACR code Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
    [PATCH 9/9] drm: bridge/dw_hdmi-i2s-audio: add audio driver Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
      Re: [PATCH 9/9] drm: bridge/dw_hdmi-i2s-audio: add audio driver Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-10 17:50 +0200
        Re: [PATCH 9/9] drm: bridge/dw_hdmi-i2s-audio: add audio driver Yakir Yang <ykk@rock-chips.com> - 2015-08-10 18:30 +0200
    [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
      Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Takashi Iwai <tiwai@suse.de> - 2015-08-10 12:10 +0200
        Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-10 12:40 +0200
          Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Takashi Iwai <tiwai@suse.de> - 2015-08-10 14:30 +0200
            Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-10 19:00 +0200
              Re: [PATCH 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Mark Brown <broonie@kernel.org> - 2015-08-10 20:20 +0200
        Re: [PATCH v2 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver         David Airlie <airlied@linux.ie>, Sascha Hauer <s.hauer@pengutronix.de>,         linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jaroslav         Kysela <perex@perex.cz>, linux-rockchip@lists.infradead.org, Mark Brown         <broonie@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>, Yakir         Yang <ykk@rock-chips.com>, Andy Yan <andy.yan@rock-chips.com>, Jon         Nettleton <jon.nettleton@gmail.com>,         linux-arm-kernel@lists.infradead.org Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-14 16:00 +0200
        Re: [PATCH v2 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-14 16:10 +0200
          Re: [alsa-devel] [PATCH v2 1/9] drm: bridge/dw_hdmi-ahb-audio: add audio driver Takashi Iwai <tiwai@suse.de> - 2015-08-14 16:40 +0200
    [PATCH 3/9] drm: bridge/dw_hdmi-ahb-audio: basic support for  multi-channel PCM audio Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
  [PATCH 08/12] drm: bridge/dw_hdmi: avoid enabling interface in  mode_set Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 04/12] gpu: imx: fix support for interlaced modes Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 09/12] drm: bridge/dw_hdmi: rename dw_hdmi_phy_enable_power() Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 03/12] gpu: imx: simplify sync polarity setting Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 01/12] drm: bridge/dw_hdmi: remove pixel repetition setting  for all VICs Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 02/12] drm: bridge/dw_hdmi: don't support any pixel doubled  modes Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 06/12] drm: bridge/dw_hdmi: clean up HDMI vs DVI mode handling Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 11/12] drm: bridge/dw_hdmi: add connector mode forcing Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:10 +0200
  [PATCH 10/12] drm: bridge/dw_hdmi: fix phy enable/disable handling Russell King <rmk+kernel@arm.linux.org.uk> - 2015-08-08 18:20 +0200
  Re: [PATCH 00/12] dw-hdmi development Thierry Reding <thierry.reding@gmail.com> - 2015-08-10 14:30 +0200
    Re: [PATCH 00/12] dw-hdmi development Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-18 12:40 +0200

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